6 天之前 · human evolution, the process by which human beings developed on Earth from now-extinct primates. Viewed zoologically, we humans are Homo sapiens, a culture-bearing upright-walking species that lives on the ground and very likely first …

2024年12月16日 · Homo sapiens, the species to which all modern human beings belong. Homo sapiens is one of several species grouped into the genus Homo, but it is the only one that is not extinct. See also human evolution. The name Homo sapiens was applied in 1758 by the father of modern biological classification (see taxonomy), Carolus Linnaeus.

2025年1月7日 · Human evolution - Fossils, Species, Adaptations: By 3.5 million years ago at least one hominin species, Au. afarensis, was an adept walker. In addition to anatomic evidence from this time, there is also a 27.5-metre (90-foot) trackway produced by three individuals who walked at a leisurely pace on moist volcanic ash at Laetoli in northern Tanzania.

2025年1月9日 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations.

The following definitions, provided by Merriam-Webster, will help you master the vocabulary used in Britannica’s article about human evolution so you can better understand this topic. ancestor (noun): a progenitor of a more recent or existing species or group

Human evolution, the process by which human beings developed on Earth from now-extinct primates. The only extant members of the human tribe, Hominini, belong to the species Homo sapiens. The exact nature of the evolutionary relationships between modern humans and their ancestors remains the subject of debate.

cultural evolution, the development of one or more cultures from simpler to more complex forms. In the 18th and 19th centuries the subject was viewed as a unilinear phenomenon that describes the evolution of human behaviour as a whole.

In human evolution: The emergence of Homo sapiens. At one extreme is multiregional evolution, or the regional continuity model. At the other is the African replacement, or “out of Africa,” model. Intermediate are the African hybridization-and-replacement model and the assimilation model.

Scientists have many different theories about human origins. But they agree that humans developed over many millions of years from early ancestors that were like apes. The process by which one type of living thing develops into another type is called evolution.

2025年1月7日 · There are four basic models that purport to explain the evolution of H. sapiens between about 315 and 30 kya. At one extreme is multiregional evolution, or the regional continuity model. At the other is the African replacement, or “ out of Africa,” model.